Coupled-Mode Theory of an Irregular Waveguide with Impedance Walls

被引：0
|
作者：
Aleksandr V. Maksimenko
Vitalii I. Shcherbinin
Viktor I. Tkachenko
机构：
[1] National Science Center “Kharkiv Institute of Physics and Technology” of National Academy of Science of Ukraine,
[2] V.N. Karazin Kharkiv National University,undefined
来源：
Journal of Infrared, Millimeter, and Terahertz Waves | 2019年 / 40卷
关键词：
Eigenvalue problem; Coupled-mode theory; Irregular waveguide; Surface impedance; Gyrotron;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The eigenvalue problem is solved for a longitudinally inhomogeneous waveguide with impedance walls. The cross-section method is applied to reduce the problem to an infinite set of ordinary differential equations for amplitudes of basis modes. As a numerical example, a tapered metallic cavity of currently available THz gyrotron is considered. The combined effect of mode coupling (conversion) and ohmic wall losses on electromagnetic properties of the gyrotron cavity is considered and discussed.
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页码：620 / 636
页数：16
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